The graphite crucible has good thermal stabilitygood suitable for emergency heat or cold usage condition. Good resistance and impact resistance. Excellent acids resistance and alkalis resistance. The graphite crucible has good thermal conductivity propertiesgoodit can greatly shorten the melting and saved energy. The ashes of graphite crucible is less than 0.1%goodto that the preciou metal in the smelting is not contaminated. It can melt goldgood silvergood and other preciou metals and other alloysgoodwith long service life. for gold and silver melting after the formation of gold and silver pieces can also be used as graphite crucible melting into non-ferrous metalsgood analysisgood as the ingot mold and other purpose Size: 3 hole - alert: 57 x42x11. 5 mmgood inside 1:7.9 x 20.6 x 4.1 mmgood inner 2:10.5 x 29.5 x 4.1 mmgood inner 3:13.0 x 35.8 x 4.1 mm Capacity: 3 holes: molten gold 12g silver 6g/molten gold 24g silver 12g/molten gold 36g silver 18g Uses: 1. melting gold and silver or other precious metals 2. analysis equipmentgood or ingot moldgood etc. Colour:black Material:graphite Package Contents: 1 x Mould Crucible Only the above package contentgood other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. About Us We provide the good product with the best pricegoodwe support Wholesale/Drop Shipping Order 1. For Drop Shipping ordergood please remark"dropshipping order"good we will prioritize it. 2. For Wholesale/Drop Shipping ordersgood if you have any ideas about the price or packagegoodplease contact us in advancegoodwe will give you the best service to satisfy your demands. About Shipments 1.We will send out the orders ASAP once your payment is completed normally. 2.Please write your complete delivery address with correct phone number and zip codegood especially please confirm your full name. About After-sale Service We are reliable seller and we have our professional after-sale service for all of our customers. If there is any question about the ordergoodplease contact us in advance goodwe will always here until you get a happy answer. About Feedback 1. Please check the package and item when you get carefully to make sure there is no problem. 2. If you have any problem or are not entirely satisfied with your packagegoodplease don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you. 3. If there is no problemgood please leave us five star positive feedback. Your affirmation is our greatest motivation ! ! !